Abstract
The purpose of this service is to training, transfer technology, and knowledge about making lightweight brick from gold processing waste to partners. This devotion was carried out at MA Al-IntishorTanjungKarang, Mataram. In this service students and teachers will: 1) learn about the dangers of gold processing and how the handling process becomes a friendly environment; 2) lightweight concrete building / processing process from gold processing waste, producing light brick; 3) Frying varies the filler / reinforcement on lightweight brick by using materials that have been underutilized so the brick becomes stronger and lighter. The output of this service is the increasing knowledge of students and teachers about the management of waste and light brick made by students and teachers.